Explanation:
Given info: a² + 6a + 9 and here the value of a is -4
To find: Evaluate the expression?
Solution:-
We have,
a² + 6a + 9
Substitute a = -4 in equation.
=> (-4)² + 6(-4) + 9
=> ( -4 * -4) - 24 + 9
=> 16 - 24 + 9
=> 24 - 24
=> 1. Ans
Hope this helps.